bug#25831: Expose http_proxy setting on GuixSD

[Leo Famulari]

On Wed, Feb 22, 2017 at 09:15:12PM +0100, Mathieu Lirzin wrote:
> Leo Famulari <address@hidden> writes:
> > +                (list (string-append "PATH=" #$lsof "/bin")
> > +                      #$@(if http-proxy
> > +                           (list (string-append "http_proxy=" http-proxy))
> > +                           '()))
>                             ^^
>                             missin two spaces in THEN and ELSE part ;)

I'm still learning what looks right :)

> Otherwise, LGTM.

Thanks for your advice and review!

I pushed the change as 93d32da9f8bba815b1effe6358904b5e1f9c73ff.